Cryo Explorer Ethereum Mainnet

Address Contract Partially Verified

Address 0x00b4651795193daca7e73b5Ddd031dFDE8CA5720
Balance 0.034730 ETH
Nonce 1
Code Size 9964 bytes
Creator 0xc1131e51...c0E5 at tx 0xd1ddfd73...04d675
Indexed Transactions 0
External Etherscan · Sourcify

Contract Bytecode

9964 bytes
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Verified Source Code Partial Match

Compiler: v0.8.20+commit.a1b79de6 EVM: shanghai Optimization: Yes (200 runs)
CHAINMAIL.sol 509 lines 
/**
TG: https://t.me/chainmailerc
Twitter: https://x.com/chainmailerc
Web: https://www.chainmail.ai/
*/
// SPDX-License-Identifier: MIT

pragma solidity 0.8.20;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        this; 
        return msg.data;
    }
}

interface IERC20 {
    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(address recipient, uint256 amount) external returns (bool);

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(address indexed owner, address indexed spender, uint256 value);
}

interface IERC20Metadata is IERC20 {

    function name() external view returns (string memory);

    function symbol() external view returns (string memory);

    function decimals() external view returns (uint8);
}


contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping (address => uint256) internal _balances;

    mapping (address => mapping (address => uint256)) internal _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    constructor (string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }


    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        _approve(sender, _msgSender(), currentAllowance - amount);

        return true;
    }

    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        _approve(_msgSender(), spender, currentAllowance - subtractedValue);

        return true;
    }

    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        _balances[sender] = senderBalance - amount;
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);
    }

    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);
    }

    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}

library Address{
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }
}

abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor() {
        _setOwner(_msgSender());
    }

    function owner() public view virtual returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        _setOwner(address(0));
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

interface IFactory{
        function createPair(address tokenA, address tokenB) external returns (address pair);
}

interface IRouter {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline) external;
}

contract CHAINMAIL is ERC20, Ownable{
    using Address for address payable;
    
    IRouter public router;
    address public pair;
    
    bool private swapping;
    bool public swapEnabled;
    bool public launched;


    modifier lockSwapping() {
        swapping = true;
        _;
        swapping = false;
    }
    
    event TransferForeignToken(address token, uint256 amount);
    event Launched();
    event SwapEnabled();
    event SwapThresholdUpdated();
    event BuyTaxesUpdated();
    event SellTaxesUpdated();
    event MarketingWalletUpdated();
    event DevelopmentWalletUpdated();
    event StoicDaoWalletUpdated();
    event ExcludedFromFeesUpdated();
    event MaxTxAmountUpdated();
    event MaxWalletAmountUpdated();
    event StuckEthersCleared();
    
    uint256 public swapThreshold = 1000000 * 10**18; //0.1% of total supply
    uint256 public maxTxAmount = 1000000000 * 10**18; 
    uint256 public maxWalletAmount = 1000000000 * 10**18;
    
    address public marketingWallet = 0xb5dE6331069f1aA402eA7c50E2E8142974724ecc;
    address public developmentWallet = 0xc02E8796Fdd39d22a3b702C954Dddbd8bD501882;
    address public stoicDaoWallet = 0xbF21275FAD21eB033d35162Fa2be0cF76478cea4;
    
    struct Taxes {
        uint256 marketing;
        uint256 liquidity;
        uint256 development;
        uint256 stoicDao;
        uint256 burn;
     }
    
    Taxes public buyTaxes = Taxes(2,0,2,1,0);
    Taxes public sellTaxes = Taxes(2,0,2,1,0);
    uint256 private totBuyTax = 5; //5% 
    uint256 private totSellTax = 5; //5% 
    
    mapping (address => bool) public excludedFromFees;
    
    modifier inSwap() {
        if (!swapping) {
            swapping = true;
            _;
            swapping = false;
        }
    }

    constructor() ERC20("CHAINMAIL", "MAIL") {
        _mint(msg.sender, 1000000000 * 10 ** decimals());
        excludedFromFees[msg.sender] = true;

        IRouter _router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        address _pair = IFactory(_router.factory())
            .createPair(address(this), _router.WETH());

        router = _router;
        pair = _pair;
        excludedFromFees[address(this)] = true;
        excludedFromFees[marketingWallet] = true;
        excludedFromFees[developmentWallet] = true;
        excludedFromFees[stoicDaoWallet] = true;
    }
    
    function _transfer(address sender, address recipient, uint256 amount) internal override {
        require(amount > 0, "Transfer amount must be greater than zero");
                
        
        if(!excludedFromFees[sender] && !excludedFromFees[recipient] && !swapping){
            require(launched, "Trading not active yet");
            require(amount <= maxTxAmount, "You are exceeding maxTxAmount");
            if(recipient != pair){
                require(balanceOf(recipient) + amount <= maxWalletAmount, "You are exceeding maxWalletAmount");
            }
        }

        uint256 fee;
          
        if (swapping || excludedFromFees[sender] || excludedFromFees[recipient]) fee = 0;
         
        else{
            if(recipient == pair) fee = amount * totSellTax / 100;
            else if(sender == pair) fee = amount * totBuyTax / 100;
            else fee = 0;
        }
        
        if (swapEnabled && !swapping && sender != pair && fee > 0) swapForFees();

        super._transfer(sender, recipient, amount - fee);
        if(fee > 0) super._transfer(sender, address(this) ,fee);

        uint256 tokensForBurn = 0;

        tokensForBurn = fee * sellTaxes.burn / totSellTax;

        if(tokensForBurn > 0) {
                 super._transfer(address(this), address(0xdead), tokensForBurn);
            }

    }
    function swapForFees() private inSwap {
        uint256 contractBalance = balanceOf(address(this));

        if (contractBalance >= swapThreshold) {

            uint256 denominator = totSellTax * 2;
            uint256 tokensToAddLiquidityWith = contractBalance * sellTaxes.liquidity / denominator;
            uint256 toSwap = contractBalance - tokensToAddLiquidityWith;
    
            uint256 initialBalance = address(this).balance;
    
            swapTokensForETH(toSwap);
    
            uint256 deltaBalance = address(this).balance - initialBalance;
            uint256 unitBalance= deltaBalance / (denominator - sellTaxes.liquidity);
            uint256 ethToAddLiquidityWith = unitBalance * sellTaxes.liquidity;
    
            if(tokensToAddLiquidityWith > 0 && ethToAddLiquidityWith > 0){
                // Add liquidity to dex
                addLiquidity(tokensToAddLiquidityWith, ethToAddLiquidityWith);
            }
    
            uint256 marketingAmt = unitBalance * 2 * sellTaxes.marketing;
            if(marketingAmt > 0){
                payable(marketingWallet).sendValue(marketingAmt);
            }
            
            uint256 developmentAmt = unitBalance * 2 * sellTaxes.development;
            if(developmentAmt > 0){
                payable(developmentWallet).sendValue(developmentAmt);
            }
            uint256 stoicDaoAmt = unitBalance * 2 * sellTaxes.stoicDao;
            if(stoicDaoAmt > 0){
                payable(stoicDaoWallet).sendValue(stoicDaoAmt);
            }       

        }
    }

    function swapTokensForETH(uint256 tokenAmount) private {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = router.WETH();

        _approve(address(this), address(router), tokenAmount);

        // make the swap
        router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount, 0, path, address(this), block.timestamp);
    }

    function addLiquidity(uint256 tokenAmount, uint256 bnbAmount) private {
        // approve token transfer to cover all possible scenarios
        _approve(address(this), address(router), tokenAmount);

        // add the liquidity
        router.addLiquidityETH{value: bnbAmount}(
            address(this),
            tokenAmount,
            0, // slippage is unavoidable
            0, // slippage is unavoidable
            address(0xdead),
            block.timestamp
        );
    }
    function setSwapEnabled(bool state) external onlyOwner { // to be used only in case of dire emergency
        swapEnabled = state;
        emit SwapEnabled();
    }

    function setSwapThreshold(uint256 new_amount) external onlyOwner {
        require(new_amount >= 10000, "Swap amount cannot be lower than 0.001% total supply.");
        require(new_amount <= 30000000, "Swap amount cannot be higher than 3% total supply.");
        swapThreshold = new_amount * (10**18);
        emit SwapThresholdUpdated();
    }

    function launch() external onlyOwner{
        require(!launched, "Trading already active");
        launched = true;
        swapEnabled = true;
        emit Launched();
    }

    function setBuyTaxes(uint256 _marketing, uint256 _liquidity, uint256 _development, uint256 _stoicDao, uint256 _burn) external onlyOwner{
        buyTaxes = Taxes(_marketing, _liquidity, _development, _stoicDao, _burn);
        totBuyTax = _marketing + _liquidity + _development + _stoicDao + _burn;
        require(totBuyTax <= 45,"Total buy fees cannot be greater than 5%");
        emit BuyTaxesUpdated();
    }

    function setSellTaxes(uint256 _marketing, uint256 _liquidity, uint256 _development, uint256 _stoicDao, uint256 _burn) external onlyOwner{
        sellTaxes = Taxes(_marketing, _liquidity, _development, _stoicDao, _burn);
        totSellTax = _marketing + _liquidity + _development + _stoicDao + _burn;
        require(totSellTax <= 45,"Total sell fees cannot be greater than 5%");
        require(totSellTax >= 1,"Total sell fees cannot beless  than 1%");
        emit SellTaxesUpdated();
    }
    
    function setMarketingWallet(address newWallet) external onlyOwner{
        excludedFromFees[marketingWallet] = false;
        require(newWallet != address(0), "Marketing Wallet cannot be zero address");
        marketingWallet = newWallet;
        emit MarketingWalletUpdated();     
    }
   
    function setDevelopmentWallet(address newWallet) external onlyOwner{
        excludedFromFees[developmentWallet] = false;
        require(newWallet != address(0), "Development Wallet cannot be zero address");
        developmentWallet = newWallet;
        emit DevelopmentWalletUpdated();
    }

    function setStoicDaoWallet(address newWallet) external onlyOwner{
        excludedFromFees[stoicDaoWallet] = false;
        require(newWallet != address(0), "StoicDao Wallet cannot be zero address");
        stoicDaoWallet = newWallet;
        emit StoicDaoWalletUpdated();     
    }

    function setExcludedFromFees(address _address, bool state) external onlyOwner {
        excludedFromFees[_address] = state;
        emit ExcludedFromFeesUpdated();
    }
    
    function setMaxTxAmount(uint256 amount) external onlyOwner{
        require(amount >= 2500000, "Cannot set maxSell lower than 0.25%");
        maxTxAmount = amount * (10**18);
        emit MaxTxAmountUpdated();
    }
    
    function setMaxWalletAmount(uint256 amount) external onlyOwner{
        require(amount >= 2500000, "Cannot set maxSell lower than 0.25%");
        maxWalletAmount = amount * (10**18);
        emit MaxWalletAmountUpdated();
    }

    function withdrawStuckTokens(address _token, address _to) external onlyOwner returns (bool _sent) {
        uint256 _contractBalance = IERC20(_token).balanceOf(address(this));
        _sent = IERC20(_token).transfer(_to, _contractBalance);
        emit TransferForeignToken(_token, _contractBalance);
    }

    function clearStuckEthers(uint256 amountPercentage) external onlyOwner {
        uint256 amountETH = address(this).balance;
        payable(msg.sender).transfer((amountETH * amountPercentage) / 100);
        emit StuckEthersCleared();
    }

    function unclog() public onlyOwner lockSwapping {
        swapTokensForETH(
            balanceOf(address(this))
        );

        uint256 ethBalance = address(this).balance;
        uint256 ethMarketing = ethBalance / 2;
        uint256 ethDevelopment = ethBalance - ethMarketing;

        bool success;
        (success, ) = address(marketingWallet).call{value: ethMarketing}("");

        (success, ) = address(developmentWallet).call{value: ethDevelopment}(
            ""
        );
    }

    // fallbacks
    receive() external payable {}
}

Read Contract

allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
buyTaxes 0x864701a5 → uint256, uint256, uint256, uint256, uint256
decimals 0x313ce567 → uint8
developmentWallet 0xc04a5414 → address
excludedFromFees 0xdbe66ca0 → bool
launched 0x8091f3bf → bool
marketingWallet 0x75f0a874 → address
maxTxAmount 0x8c0b5e22 → uint256
maxWalletAmount 0xaa4bde28 → uint256
name 0x06fdde03 → string
owner 0x8da5cb5b → address
pair 0xa8aa1b31 → address
router 0xf887ea40 → address
sellTaxes 0xf66895a3 → uint256, uint256, uint256, uint256, uint256
stoicDaoWallet 0x76a630bc → address
swapEnabled 0x6ddd1713 → bool
swapThreshold 0x0445b667 → uint256
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256

Write Contract 21 functions

These functions modify contract state and require a wallet transaction to execute.

approve 0x095ea7b3
address spender
uint256 amount
returns: bool
clearStuckEthers 0x9aed7370
uint256 amountPercentage
decreaseAllowance 0xa457c2d7
address spender
uint256 subtractedValue
returns: bool
increaseAllowance 0x39509351
address spender
uint256 addedValue
returns: bool
launch 0x01339c21
No parameters
renounceOwnership 0x715018a6
No parameters
setBuyTaxes 0x40ac48d3
uint256 _marketing
uint256 _liquidity
uint256 _development
uint256 _stoicDao
uint256 _burn
setDevelopmentWallet 0x72ac2486
address newWallet
setExcludedFromFees 0x590ffdce
address _address
bool state
setMarketingWallet 0x5d098b38
address newWallet
setMaxTxAmount 0xec28438a
uint256 amount
setMaxWalletAmount 0x27a14fc2
uint256 amount
setSellTaxes 0xc791fc54
uint256 _marketing
uint256 _liquidity
uint256 _development
uint256 _stoicDao
uint256 _burn
setStoicDaoWallet 0x0294f454
address newWallet
setSwapEnabled 0xe01af92c
bool state
setSwapThreshold 0x9d0014b1
uint256 new_amount
transfer 0xa9059cbb
address recipient
uint256 amount
returns: bool
transferFrom 0x23b872dd
address sender
address recipient
uint256 amount
returns: bool
transferOwnership 0xf2fde38b
address newOwner
unclog 0x67c45349
No parameters
withdrawStuckTokens 0x25b86edf
address _token
address _to
returns: bool
Transactions Internal Txs Token Transfers Events

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